Another specialized refrigeration unit is the soft serve machine, which produces frozen desserts from a mixture of liquid base ingredients. Mixtures are available in various flavors to make ice cream, milk ice cream, frozen yogurt, gelato, etc.
Great machines made for banquet crowds; smaller ones for individual customer service are placed near fast food restaurant counters. You can also look for the best vanilla soft serve base through the web.
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When you buy a machine, you may want to know how many mixes you can fit at once. The capacity ranges from 8.5 liters to 72 liters.
The gentle serving machine pumps air into the base mixture, giving it a soft texture and increasing production volume. The percentage of air that is pushed into the product is called excess.
Too much air will result in a thin, grainy product; too little air freezes too much and it becomes difficult to dose.
In gravity-powered machines, the mixture is loaded into the hopper. If necessary, it is poured into the cylinder below, frozen there, removed from the cylinder, and dosed. Gravity feeders are easy to use and clean, and the cheapest.
Soft pressure cookers use an air pump to push the mixture into the freezer compartment and then push it out through the holes. Pressurized machines are more expensive but have better air release control than gravity feeders.
The cooling system is the basis of Softservice machines. The simplest distributors operate on 110 volts, but machines with more functionality require a 208-volt line.